interjection.hurrah; an exclamation of triumphantjoy
interjection.
Used to grab the attention of others.
adverb.how
Word Usage
"I seldom opened my door in a winter evening without hearing; _Hoo hoo hoo, hoorer hoo_, sounded sonorously, and the first three syllables accented somewhat like _how der do_; or sometimes _hoo hoo_ only."